Microwave Absorbing Properties of MnO2/Ni-Zn Ferrite/Graphite Structural Composite

Jing Lan Deng; Ke Huang

doi:10.4028/www.scientific.net/AMR.535-537.201

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 535-537Microwave Absorbing Properties of MnO2/Ni-Zn...

Microwave Absorbing Properties of MnO₂/Ni-Zn Ferrite/Graphite Structural Composite

Abstract:

In order to get high microwave absorbing properties, a new kind of three-layer structure composite absorption material was designed and prepared for optimal attenuation. Manganese Oxide was used as the absorbent in the matching layer. Nickel-Zinc ferrite (Ni-Zn ferrite) was used as the absorbent in the dielectric layer and Graphite was used as the absorbent in absorbing layer. The effects of different proportions of absorbents on the microwave absorbing properties were investigated. The results shows that the maximum wave absorbing peak of the 11# sample with the thickness of 5mm is −38.54dB at 14.35GHz and had a bandwidth of 7.1GHz (R<−10dB). This is very important in the design and application of absorbing material.

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Periodical:

Advanced Materials Research (Volumes 535-537)

Pages:

201-205

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.535-537.201

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Online since:

June 2012

Authors:

Jing Lan Deng, Ke Huang

Keywords:

Absorbing Property, Graphite, Manganese Oxide, Ni-Zn Ferrite, Structural Composite

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